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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#709613 | #4780. 完美的队列 | NineSuns | 20 | 4468ms | 105968kb | C++14 | 3.8kb | 2024-11-04 15:48:45 | 2024-11-04 15:48:45 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
#define pb push_back
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int N = 1e5+5, B = N, b = 317, inf = 0x3f3f3f3f;
int n, m, a[N], l[N], r[N], x[N], rk[N], lb[B], rb[B], sr[N], cb[B], sa[N], bv[N], ans[N], ed;
pii stk[N];
vector <int> dx[B], col[N];
deque <pii> qs[N];
set <pii> qb[B];
int mx, ad;
void chk (int id, int x, int k) {
if (l[id] <= lb[x] && rb[x] <= r[id]) {
mx += k; ad += k;
return;
}
if (l[id] > rb[x] || r[id] < lb[x]) return;
mx = -inf;
for (int j = max(l[id], lb[x]);j <= min(r[id], rb[x]);j++) bv[j] += k;
for (int j = lb[x];j <= rb[x];j++) mx = max(mx, ad+bv[j]);
}
void solve () {
cin >> n >> m;
for (int i = 1;i <= n;i++) cin >> a[i];
for (int i = 1;i <= m;i++) cin >> l[i] >> r[i] >> x[i], col[x[i]].pb(i);
for (int i = 1; ;i++) {
lb[i] = rb[i-1]+1; rb[i] = min(n, rb[i-1]+b);
for (int j = lb[i];j <= rb[i];j++) rk[j] = i;
if (rb[i] == n) break;
}
for (int i = 1;i <= m;i++) {
if (rk[l[i]] == rk[r[i]]) {
for (int j = l[i];j <= r[i];j++) {
sa[j]++;
if (qs[j].size()) {
qb[rk[j]].erase({qs[j].front().fi-sa[j]+1, j});
if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
}
}
qs[j].pb({cb[rk[j]]+sa[j]+a[j], i});
qb[rk[j]].insert({qs[j].front().fi-sa[j], j});
}
}
else {
for (int j = l[i];j <= rb[rk[l[i]]];j++) {
sa[j]++;
if (qs[j].size()) {
qb[rk[j]].erase({qs[j].front().fi-sa[j]+1, j});
if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
}
}
qs[j].pb({cb[rk[j]]+sa[j]+a[j], i});
qb[rk[j]].insert({qs[j].front().fi-sa[j], j});
}
for (int j = lb[rk[r[i]]];j <= r[i];j++) {
sa[j]++;
if (qs[j].size()) {
qb[rk[j]].erase({qs[j].front().fi-sa[j]+1, j});
if (sa[j]+cb[rk[j]] >= qs[j].front().fi) {
sr[qs[j].front().se] = max(sr[qs[j].front().se], i-1), qs[j].pop_front();
}
}
qs[j].pb({cb[rk[j]]+sa[j]+a[j], i});
qb[rk[j]].insert({qs[j].front().fi-sa[j], j});
}
for (int j = rk[l[i]]+1;j < rk[r[i]];j++) {
cb[j]++;
while (qb[j].size()) {
auto k = *qb[j].begin();
if (k.fi > cb[j]) break;
qb[j].erase(k);
sr[qs[k.se].front().se] = max(sr[qs[k.se].front().se], i-1);
qs[k.se].pop_front();
if (qs[k.se].size()) qb[j].insert({qs[k.se].front().fi-sa[k.se], k.se});
}
dx[j].pb(i);
}
}
}
// return;
for (int i = 1;i <= rk[n];i++) {
int l = 1, r = 0; mx = -inf; ad = 0;
for (int z = lb[i];z <= rb[i];z++) mx = max(mx, a[z]), bv[z] = a[z];
for (int j : dx[i]) {
while (r < j) ++r, chk(r, i, -1);
while (l <= j) chk(l, i, 1), l++;
while (r < n && mx > 0) ++r, chk(r, i, -1);
// cout << j << " " << r << endl;
if (mx > 0) sr[j] = max(sr[j], n);
else sr[j] = max(sr[j], r-1);
}
}
for (int i = 1;i <= n;i++) while (qs[i].size()) sr[qs[i].front().se] = n, qs[i].pop_front();
for (int i = 1;i <= 1e5;i++) {
reverse(col[i].begin(), col[i].end());
for (int j : col[i]) {
int r = sr[j]; assert(r >= j);
while (ed && stk[ed].fi <= r) {
r = max(r, stk[ed].se); ed--;
}
stk[++ed] = {j, r};
}
while (ed) {
ans[stk[ed].fi]++; ans[stk[ed].se+1]--;
ed--;
}
}
for (int i = 1;i <= m;i++) ans[i] += ans[i-1];
for (int i = 1;i <= m;i++) cout << ans[i] << '\n';
}
signed main () {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int T = 1;
while (T--) solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 5
Accepted
Test #1:
score: 5
Accepted
time: 440ms
memory: 87736kb
input:
5000 4999 99 36 47 78 58 58 64 12 42 54 29 56 57 32 99 21 1 6 42 97 82 8 79 92 3 56 19 41 29 59 23 34 76 34 82 20 44 51 60 73 89 65 51 65 15 87 65 70 51 26 40 95 44 62 97 81 43 13 20 81 76 64 47 95 54 56 99 62 91 63 98 58 70 60 47 97 31 74 76 70 10 30 99 33 52 100 14 65 4 6 87 4 8 1 8 87 18 70 76 43...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 10...
result:
ok 4999 numbers
Subtask #2:
score: 0
Runtime Error
Dependency #1:
100%
Accepted
Test #2:
score: 0
Runtime Error
input:
9999 10000 60 75 4 70 26 87 8 77 16 6 20 88 95 44 60 10 71 93 68 33 30 71 21 19 88 61 26 93 21 83 35 83 25 72 33 75 40 14 92 54 10 42 60 93 73 82 13 50 50 25 99 16 68 38 78 14 4 1 58 72 2 96 69 57 43 71 68 100 5 49 50 58 50 61 53 22 88 55 95 37 67 96 50 46 55 97 84 28 62 56 44 35 80 5 59 45 50 14 48...
output:
result:
Subtask #3:
score: 0
Skipped
Dependency #2:
0%
Subtask #4:
score: 0
Skipped
Dependency #3:
0%
Subtask #5:
score: 5
Accepted
Test #5:
score: 5
Accepted
time: 786ms
memory: 86704kb
input:
25000 25000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
1 2 3 4 5 5 5 3 3 4 4 4 5 4 4 5 6 7 6 6 7 8 9 6 7 8 8 7 8 9 7 8 9 10 8 8 9 10 10 11 12 12 5 6 7 8 9 4 5 6 7 5 6 7 8 6 7 8 7 8 9 10 11 10 11 12 13 13 12 12 9 10 7 8 7 8 8 6 7 8 8 9 9 10 7 8 9 9 9 10 11 10 11 12 12 13 13 14 15 16 15 15 11 4 5 6 7 8 8 9 9 8 9 9 10 11 10 8 8 8 9 9 10 10 10 6 6 7 8 9 4 5...
result:
ok 25000 numbers
Subtask #6:
score: 0
Skipped
Dependency #4:
0%
Subtask #7:
score: 0
Runtime Error
Test #7:
score: 0
Runtime Error
input:
34999 35000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
output:
result:
Subtask #8:
score: 0
Skipped
Dependency #6:
0%
Subtask #9:
score: 5
Accepted
Test #9:
score: 5
Accepted
time: 2359ms
memory: 96504kb
input:
45000 45000 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 ...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17 18 19 20 21 22 23 24 24 25 26 27 28 29 29 30 31 30 31 32 31 31 32 32 33 34 34 35 36 37 38 38 39 39 39 38 38 39 40 41 40 41 42 40 40 41 42 43 43 44 45 46 47 48 44 45 44 45 46 45 44 44 45 45 46 47 48 47 48 49 50 51 52 51 52 51 51 50 50 51 52 52 52 52 52 53 ...
result:
ok 45000 numbers
Subtask #10:
score: 0
Skipped
Dependency #8:
0%
Subtask #11:
score: 0
Skipped
Dependency #5:
100%
Accepted
Dependency #7:
0%
Subtask #12:
score: 0
Skipped
Dependency #11:
0%
Subtask #13:
score: 5
Accepted
Test #13:
score: 5
Accepted
time: 4468ms
memory: 105968kb
input:
65000 65000 5 7 8 6 3 6 8 7 2 3 5 10 9 9 4 3 9 1 2 9 1 1 6 10 1 10 5 4 7 1 9 6 6 8 10 5 8 3 2 5 2 3 6 8 7 3 2 3 6 5 1 10 6 2 4 7 8 1 3 3 5 4 2 5 2 5 3 3 6 7 6 9 5 3 10 3 6 2 8 10 9 10 2 5 4 10 3 3 6 3 5 7 141 3 6 3 10 2 7 6 3 5 9 4 10 1 3 9 9 8 2 5 10 1 7 1 8 5 3 3 7 7 9 7 4 1 9 2 2 4 8 6 10 5 7 3 3...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ...
result:
ok 65000 numbers
Subtask #14:
score: 0
Skipped
Dependency #12:
0%
Subtask #15:
score: 0
Time Limit Exceeded
Dependency #13:
100%
Accepted
Test #15:
score: 0
Time Limit Exceeded
input:
75000 75000 1 8 2 4 4 7 1 2 5 4 1 3 2 4 2 2 3 3 3 6 1 4 8 5 3 6 8 3 9 4 5 5 3 6 9 2 9 6 1 4 2 8 5 8 2 7 4 3 4 4 1 9 4 5 8 1 4 8 6 5 8 6 6 5 4 7 6 3 3 6 6 4 7 4 4 1 9 6 6 4 6 4 1 9 7 3 4 7 7 5 9 9 7 3 5 9 7 3 5 7 3 8 6 2 6 2 8 8 8 6 9 5 1 3 3 2 9 7 6 8 2 3 4 6 7 4 8 1 4 5 5 7 7 4 5 8 9 6 2 1225 7 9 6...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 1...
result:
Subtask #16:
score: 0
Skipped
Dependency #14:
0%
Subtask #17:
score: 0
Skipped
Dependency #16:
0%
Subtask #18:
score: 0
Skipped
Dependency #17:
0%
Subtask #19:
score: 0
Skipped
Dependency #18:
0%
Subtask #20:
score: 0
Skipped
Dependency #19:
0%